document.write( "Question 1101528: a sum of money amounting to 5.55 consistsof 25cents and 1 peso coins.If there are 27 coins in all, how many each kind are there.
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Algebra.Com's Answer #805332 by CubeyThePenguin(3113)![]() ![]() You can put this solution on YOUR website! p = number of 1-peso coins \n" ); document.write( "q = number of 25-peso coins\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "p + q = 27 \n" ); document.write( "p + 25q = 555\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Multiply the first equation by 25. We are planning to eliminate the variable q.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "25p + 25q = 675 \n" ); document.write( "p + 25q = 555\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "Subtract to get 24p = 120, so p = 5.\r \n" ); document.write( " \n" ); document.write( "\n" ); document.write( "There are 5 pennies and 22 quarters. \n" ); document.write( " |